Metal roofing
Tile roofing
GAF
Owens Corning
Flat & low-slopeFree roof inspection with deck photos before we talk money - GAF and Owens Corning certified installation
Fast, Reliable Roofing Company Across San Anselmo
Birchbark Roofing handles roof repair, replacement, and inspections throughout San Anselmo, from the Seminary neighborhood to Sleepy Hollow and the flatter streets near downtown. If you’re searching for a Roofing Company that shows up on time, writes the price down before any work starts, and treats your home like a home instead of a job site, you’ve found the right crew. We know what these older Marin County roofs look like when we open them up, because we’ve opened hundreds. Call (831) 228-3330 and a real person answers, any hour, any day.
Before we go further, here’s the number most San Anselmo homeowners ask us for: a full roof replacement on a typical 1,400 to 1,800 square foot single-family home in San Anselmo runs between $14,500 and $24,000. A targeted repair, like replacing rotted decking under a few clay tiles or resealing valleys on a rancher, typically lands between $850 and $3,200. You’ll see your exact number in writing before we touch anything.
Why Birchbark Roofing San Francisco Is San Anselmo’s Preferred Roofing Company Company
San Anselmo homeowners don’t just worry about whether the roof will leak. They worry about the crew tracking debris through the hallway, the noise scaring the dog, and whether anyone actually cleaned up before leaving. That’s why every Birchbark job includes shoe covers at the door, drop cloths through the work path, and a photo of the completed clean-up sent before the crew pulls away. It’s roofing done carefully, from tear-off to final sweep.
Erik Lindgren leads every San Anselmo project with the same expectation: if it’s not done right, we make it right. That’s the 365-Day Done Right Promise, and it’s stamped on every repair and replacement we perform. Homeowners in the Seminary neighborhood, the flats along Sir Francis Drake Boulevard, and the hills above San Anselmo Avenue get the same written price before work starts, and the same background-checked, uniformed technicians on the job. No guesswork about who’s walking through your door.
We’re part of the Cedarwell family of independent local roofing businesses, which means we hold every San Anselmo roof to the Cedarwell Care Promise. Clean up like it’s our own home. Ask before we move or touch anything. Respect the family’s time and quiet hours. Explain the price before the work. That’s not a mission statement. That’s the checklist our crew follows on your street.
Styles & brands we work with
Free Roof Estimate in San Anselmo
A Free Roof Estimate in San Anselmo is exactly what it sounds like: we come out, get on the roof, document what we find with photos, and hand you a written price in dollars before any work begins. No verbal ballpark followed by a surprise invoice later. For older San Anselmo homes, especially the 1920s Craftsman and Spanish Eclectic houses with original wood shake or clay tile, that estimate includes an allowance for what we might find underneath once materials come off. Because we almost always find something.
What the estimate covers
Our estimate breaks down materials, labor, decking replacement if needed, underlayment, flashing, and disposal. If there’s a salvage-yard tile match involved, like the Boral tiles we sourced for a 1926 Spanish Eclectic in the Seminary neighborhood, that line item is already written into the quote, not sprung on you after tear-off.
When to schedule one
Schedule an estimate before the November rains. San Anselmo gets about 40 inches of rain a year, most of it between November and March. If your roof is 20-plus years old or you’ve noticed granule buildup in the gutters, call before the first storm finds the weak spot. Schedule the estimate at (831) 228-3330.
Roofing Contractor in San Anselmo
A Roofing Contractor in San Anselmo has to handle two very different roof types well: steeply pitched original wood shake or clay tile roofs on pre-war homes, and low-slope composition roofs on mid-century ranchers that are now reaching the end of their service life. Birchbark works with materials from GAF, CertainTeed, and Boral, and our crews know which product belongs on which San Anselmo roofline. A low-slope rancher on Oak Avenue needs different flashing details than a steep Spanish Eclectic on a Seminary hillside.
Heritage roof matching
Many San Anselmo homes carry historic preservation requirements. That means the tile profile and color has to match the original. We source from specialty salvage yards, which takes time and a realistic allowance, and we write that into the contract up front so the price doesn’t move after the roof comes off.
Older framing and decking
Houses built between the 1920s and 1960s often have skipped decking or rotted valleys hiding under what looks like a sound roof. When we open a roof in San Anselmo, we inspect the decking and framing before we install anything. Any surprise gets priced and approved in writing before we touch it.
Trusted Brands We Service in San Anselmo
We install and repair roofs using materials from GAF, CertainTeed, and Boral, among others. For San Anselmo’s heritage homes, Boral clay tiles are a frequent match for original profiles. For the mid-century ranchers, CertainTeed Landmark architectural shingles hold up well against the wet winters and dry summers. For steep slopes that get heavy moss pressure, GAF Timberline HDZ with StainGuard Plus slows algae growth on north-facing exposures. We stock common parts locally for San Anselmo customers, which means faster turnaround on repairs when a valley leaks or a tile cracks.
See the difference
Before
After
Before
After
Before
AfterCommon Roofing Company Problems We See in San Anselmo Homes
- Hidden decking rot under old clay tiles. A 1920s tile roof can look fine from the street while the decking underneath has been quietly absorbing moisture for decades. We find this most often on Seminary homes where original tiles were never lifted and inspected. The first sign is a leak through the living room ceiling during a heavy winter storm.
- Moss and algae on north-facing slopes. San Anselmo’s valley position and wet winters mean north-facing roof planes hold moisture long after south-facing planes dry. Moss roots work into shingle granules and clay tile seams. Annual inspection and the right product choice at install time prevent most of this.
- End-of-life composition shingles on 1950s and 1960s ranchers. The original asphalt shingles on many San Anselmo ranchers were installed before modern architectural shingles existed. They were rated for roughly 20 to 25 years, and most are now well past that. Granule loss in gutters is the telltale sign.
- Scattered tile replacements that never matched. We’ve seen roofs with three different clay tile profiles because previous repairs used whatever tile was available. On heritage-designated San Anselmo properties, that mismatch can complicate a future sale. We match the original profile and color, even when it means a salvage-yard order.
Pricing for Roofing Company in San Anselmo, CA
Here’s what San Anselmo homeowners should expect. A full tear-off and replacement on a standard single-family home runs from $14,500 to $24,000 depending on roof size, pitch, and whether the underlying decking needs replacement. A targeted repair, like replacing a leaking valley or repairing rotted decking under a few tiles, falls between $850 and $3,200. Roof inspections run $250 to $450, credited toward the job if we do the work. Higher wind-rated architectural shingles add roughly $1,200 to $2,200 on a typical rancher, and they matter here because San Anselmo sits in a valley that channels wind through certain corridors. The exact number goes in writing before any work starts, and that number doesn’t move unless you approve a change in writing. Call (831) 228-3330 and we’ll schedule the free estimate.
We Also Serve Cities Near San Anselmo
Our crews serve Roofing Company in San Anselmo and the surrounding Marin and East Bay communities. If you’re in San Rafael, Richmond, San Pablo, or Pinole, the same written pricing, the same 365-Day Done Right Promise, and the same clean-up standard apply. Dispatch and scheduling are coordinated from our Bay Area office, with crews serving locally.
Serving San Anselmo, CA - Our Local Coverage Area
We’re based in the San Anselmo area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs About Roofing Company in San Anselmo
We source matching tiles from specialty salvage yards, which is the only reliable way to replicate the original profile and color on San Anselmo’s 1920s heritage roofs. Our estimate includes a salvage-yard allowance up front, so the cost of that matching work is already written into the contract. On a 1926 Spanish Eclectic in the Seminary neighborhood, we matched Boral tiles from a salvage yard, and the final price matched the written estimate. Call (831) 228-3330 to discuss your roof’s profile.
When you open a roof on a pre-1960 San Anselmo home, Marin County code typically requires decking replacement if the existing decking is skipped or rotted, and it often requires increased attic ventilation. Depending on the city’s preservation review for heritage-designated properties, the replacement material and color must also pass a visual approval. We include anticipated code-triggered work in the written estimate, so the permit review doesn’t move your price after work begins.
San Anselmo sits in a valley that holds moisture, and the town gets about 40 inches of rain annually, most of it from November through March. North-facing slopes dry slowly after rain, and that persistent damp is exactly what moss and algae need to establish. We recommend algae-resistant shingles like GAF Timberline HDZ with StainGuard Plus on those exposures. For existing roofs, a gentle cleaning and zinc strip installation slows regrowth.
We write the estimate with a built-in decking allowance, typically $3 to $5 per square foot for replacement areas, so you see the worst-case number in writing before we start. When we open a low-slope San Anselmo rancher roof, we inspect the decking and framing and photograph what we find. If the decking is sound, the allowance stays in your pocket. If it’s not, you already know what it costs to fix it. No change orders, because it was written in from day one.
Yes, in certain San Anselmo neighborhoods. The town’s valley geography channels wind through specific corridors, and a shingle rated for 110 mph winds handles that better than a standard product. The upgrade typically adds $1,200 to $2,200 on a typical rancher. For most San Anselmo homes, it’s a sensible add at replacement time, and we’ll tell you honestly if it’s overkill for your street.
When you’re ready to talk about your San Anselmo roof, call (831) 228-3330. A live person answers. We’ll schedule the free estimate, walk you through what we find, and put the price in writing before any work starts. That’s how every Birchbark job goes.
Written by Erik Lindgren, Owner at Birchbark Roofing San Francisco, serving San Anselmo with the Cedarwell Care Promise since 2000.